Intake system for two-cycle multi-cylinder engines
A two-cycle, crankcase compression engine is described having a first cylinder reciprocally supporting a first piston, a second cylinder offset from the cylinder and reciprocally supporting a second piston, a first crankcase associated with the first cylinder, first transfer passage means for transferring a compressed charge from the first crankcase to the area in the first cylinder above the first piston during at least a portion of the stroke of the first piston, a second crankcase associated with the second cylinder and sealed from the first crankcase, second transfer passage means for transferring a compressed charge from the second crankcase to the area in the second cylinder above the second piston during at least a portion of the stroke of the second piston, the first and the second cylinders having facing sides spaced from each other, and an induction system for the crankcases disposed at least in part between the facing sides.
- Assignee:
- Yamaha Hatsudoki Kabushiki Kaisha
- Patent Number(s):
- US 4592311
- OSTI ID:
- 5635009
- Country of Publication:
- United States
- Language:
- English
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